CVE-2026-88083: microsoft microsoft sql server 2022 (cu 26) Stack-based Buffer Overflow

Vulnerability summary

CVE-2026-88083 is a high (CVSS 7.5) Stack-based Buffer Overflow vulnerability in microsoft microsoft sql server 2022 (cu 26). EPSS estimates a 0.35% chance of exploitation in the next 30 days, higher than 26.9% of scored vulnerabilities.

Timeline

1. 13-10-2026
   PublishedVulnerability first disclosed.
2. 20-10-2026
   Last modifiedVulnerability information updated.

Description

Stack-based buffer overflow in SQL Server allows an unauthorized attacker to execute code over a network.

• CWE-121Stack-based Buffer OverflowA stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).